How much does a building permit cost in St. Ann, MO?

The minimum permit fee is $30 (occupancy permit). Fees are calculated as: Varies by permit type; city public pages do not show a consolidated fee chart..

How do I apply for a building permit in St. Ann, MO?

1. Check with St. Ann Building and Zoning for permit need and city application requirements. 2. File city permit materials for building and zoning review. 3. For HVAC, plumbing, electrical, and elevator permits, use St. Louis County through licensed contractors as directed by St. Ann. 4. For residential re-occupancy, obtain the county inspection first; once the city receives the passed inspection, finish the St. Ann occupancy permit application and fee payment at City Hall.

How do I schedule a building inspection in St. Ann, MO?

Inspections can be scheduled via: (314) 427-8009 — St. Ann Building and Zoning.

City Building Permits

St. Ann, MO - 2026 Building Permit Guide

How to apply for a building permit in St. Ann, Missouri. Permit authority, application steps, fees, and inspection requirements.

Missouri St. Louis County Updated March 2026

Permit Authority

St. Ann runs building and zoning administration locally. The city contracts with St. Louis County Public Works for residential re-occupancy permit inspections and for plan review and permitting of HVAC, plumbing, electrical, and elevator work.

Department: City of St. Ann Building and Zoning Department
Address: 10405 St. Charles Rock Road, St. Ann, MO 63074
Phone: (314) 427-8009
Website: https://www.stannmo.org/129/Building-and-Zoning

Online Permit Portal

Open St. Ann Building and Zoning

Platform: St. Ann Building and Zoning forms and city workflow • Account required: No • Submission: In-person only

Additional resources:

Application Process

Check with St. Ann Building and Zoning for permit need and city application requirements.
File city permit materials for building and zoning review.
For HVAC, plumbing, electrical, and elevator permits, use St. Louis County through licensed contractors as directed by St. Ann.
For residential re-occupancy, obtain the county inspection first; once the city receives the passed inspection, finish the St. Ann occupancy permit application and fee payment at City Hall.

Typical processing time: Occupancy inspections are valid for 120 days so long as no one moves in or out of the property.

Source: City of St. Ann Building and Zoning Department

General Requirements

St. Ann posts a detailed public list including fence, shed, interior remodel, roof replacement, deck, porch, driveway, stairs, egress windows, dumpster or pod, pool, handrails, guardrails, foundation repair, sump pump install, exterior window and door frame size changes, solar panels, new construction, and demolition.

Required Documents

City permit application
Plans and supporting construction details
County trade permits for HVAC, plumbing, electrical, and elevator work

Permit validity: Re-occupancy inspections are valid for 120 days if occupancy does not change.
Building code: 2015 IBC, IRC, and IEBC. Trade plan review for electrical, mechanical, plumbing, and elevator work is contracted to St. Louis County.
Contractor requirements: All HVAC, plumbing, and electrical work must be applied for by a licensed contractor through St. Louis County.

Fees

Minimum permit fee: $30 (occupancy permit)
Permit fee formula: Varies by permit type; city public pages do not show a consolidated fee chart.
Reinspection fee: $30 for a new residential inspection when adding someone to an existing occupancy permit
Payment note: Occupancy payments may be made by check, cash, or money order.

Fees change. Verify current amounts at the official fee schedule.

Work That Does NOT Require a Permit

Contact the City of St. Ann Building and Zoning Department to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

(314) 427-8009 — St. Ann Building and Zoning (phone)

Inspection hours: Monday-Friday, 8:00 a.m. to 4:00 p.m.

Typical inspection sequence: City review, county trade permit where needed, field inspections, then occupancy issuance when required. County handles residential re-occupancy inspections and trade permits.

Additional Resources

Building code: 2015 IBC, IRC, and IEBC. Trade plan review for electrical, mechanical, plumbing, and elevator work is contracted to St. Louis County.
Verify contractor license: Missouri Division of Professional Registration
Zoning information: View zoning info
St. Ann Building and Zoning Staff
St. Ann Code Enforcement
License lookup guide: Missouri Contractor License Requirements
Contract template: Missouri Homeowner-Contractor Agreement
Missouri hub: Missouri Contractor License & Permit Hub

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the City of St. Ann Building and Zoning Department before applying.

Frequently Asked Questions

St. Ann Building Permit FAQ

Do I need a building permit in St. Ann, MO?: St. Ann posts a detailed public list including fence, shed, interior remodel, roof replacement, deck, porch, driveway, stairs, egress windows, dumpster or pod, pool, handrails, guardrails, foundation repair, sump pump install, exterior window and door frame size changes, solar panels, new construction, and demolition.
How much does a building permit cost in St. Ann, MO?: The minimum permit fee is $30 (occupancy permit). Fees are calculated as: Varies by permit type; city public pages do not show a consolidated fee chart..
How do I apply for a building permit in St. Ann, MO?: 1. Check with St. Ann Building and Zoning for permit need and city application requirements. 2. File city permit materials for building and zoning review. 3. For HVAC, plumbing, electrical, and elevator permits, use St. Louis County through licensed contractors as directed by St. Ann. 4. For residential re-occupancy, obtain the county inspection first; once the city receives the passed inspection, finish the St. Ann occupancy permit application and fee payment at City Hall.
How long does it take to get a building permit in St. Ann, MO?: Typical processing time is Occupancy inspections are valid for 120 days so long as no one moves in or out of the property..
How do I schedule a building inspection in St. Ann, MO?: Inspections can be scheduled via: (314) 427-8009 — St. Ann Building and Zoning.

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.